Hannah Knows That Her Infant Son, William, Has a Difficult

Hannah knows that her infant son, William, has a difficult temperament. She is careful to take him to the grocery store in the off-hours when it's not crowded and there's less chance of a stranger trying to interact with him. In terms of temperament-sensitive parenting, Hannah is:

A) exposing William to social situations for observational learning.
B) structuring William's environment in a compatible way.
C) resigned to the fact that he's difficult and always will be.
D) making it likely he will grow up to have a social phobia.